one way ring 单向环
one-way ring homomorphism 单向环同态
one-way valve ring 单向阀弹簧
one-way coupled ring map lattices 单向耦合环状迭代点阵
The area will be bounded by a ring-shaped bypass and have an internal one-way traffic system running in opposite directions.
这个区域将被一个环型的小道包围和有一个内部的单行交通系统在它相反的方向运作。
Ring is one of the most ancient jewelry and one of the way to express yourself.
戒指，既是最古老的首饰之一，也是一种人们表达自己的方式。
Thoroughly clean all parts exposed to material, including piston barrel, piston head, O-ring, one-way valve, filling head, feeding tank, hopper, etc. Damaged seal shall be immediately replaced.
应彻底清洗所有和物料接触的部件，包括活塞缸、活塞头、O型圈、单向阀、灌装头、料桶、料斗等，发现破裂损伤的密封应及时进行更换。
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